Koshigaya, Japan: What to pack, what to wear, and when to go [2022]
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Traveling to Koshigaya, Japan? If you're planning to go to Koshigaya, I have some important information about when to go, what to wear, and what to pack.
Contents
- When to go to Koshigaya
- Important essentials for Koshigaya
- Activities for Koshigaya
- Koshigaya in January: weather and what to pack
- Koshigaya in February: weather and what to pack
- Koshigaya in March: weather and what to pack
- Koshigaya in April: weather and what to pack
- Koshigaya in May: weather and what to pack
- Koshigaya in June: weather and what to pack
- Koshigaya in July: weather and what to pack
- Koshigaya in August: weather and what to pack
- Koshigaya in September: weather and what to pack
- Koshigaya in October: weather and what to pack
- Koshigaya in November: weather and what to pack
- Koshigaya in December: weather and what to pack

About your travel guide
Hi! I'm Dev. I've traveled all over the world and in my travels, I have made many packing lists. In this series, my team and I have compiled the most useful information, as well as things we couldn't live without, to help you plan your trip.
When to go to Koshigaya, Japan
Based on the climate and weather in Koshigaya, the best time to go is May. See below for details.
Important essentials for Koshigaya, Japan
Here are some general tips on what to wear in Koshigaya, as well as several items to remember to pack when traveling there.
COVID-19 ESSENTIALS FOR 2022
-
Hand sanitizer
This hand sanitizer is an excellent TSA-friendly option.
-
A vaccine card protector
Vaccine cards may get worn. An unreadable card can have severe consequences. This vaccine card protector helps avoid that.
Travel insurance
If you or a companion get COVID-19, your amazing trip can be ruined. Good travel insurance can help. See plans
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Travel disinfecting wipes
Use these to sanitize plane and hotel surfaces.
-
N95 masks to use in crowded airports
These N95 masks provide the best level of protection available.
-
Kids' KN95 masks
N95 masks are not available for kids. These are a good alternative (and can also be used by adults if N95 masks are not available).
General health necessities
Virus/bacteria filtering water bottle
Some areas of this country may have unreliable tap water, so it's useful to bring a contaminant filtering water bottle.
-
Travel first aid kit
This one is a good option.
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Emergency motion sickness relief
Don't forget these
-
For families with young children
-
Plug adapter
A plug adapter that supports outlet types A and B. This one is sufficent for most areas, but check with your hotel.
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Money/passport pouch
A money pouch is vital for protecting your passport and credit cards.
-
Airplane or car necessities
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Voice and data SIM card
A SIM card that works in Koshigaya. A good global SIM card works in most countries, but check the country list before buying. In some more rural areas you may need a satellite phone. We recommend this satellite phone.
-
Power bank for devices
A portable power bank, like this one
What to wear/what to pack for Koshigaya, Japan by month
Already know when you're traveling?
January
If you visit Koshigaya during January, you are likely to find that it is brisk and somewhat hazy. Temperatures tend to hover around the 40s F (single digits C) during the day, while at night they can dip into the low 30s F (single digits below 0 C). Humidity is generally between 40 and 50% during the day. In terms of precipitation, you can expect it to rain once in a while.
What to wear/what to pack:
-
Fleece
-
Light gloves or mittens
-
Warm pants or jeans
-
Extra socks
-
Jacket or coat
-
Lip balm
In our opinion, the best choice: this one
-
Standard footwear
-
Waterproof snow boots
In addition to regular shoes, you should bring snow boots. For travel to Koshigaya, we suggest these boots:
-
Waterproof jacket that can be used in snow
-
A umbrella
This is worth investing in for this weather. This one is an excellent option.
February
February in Koshigaya is pretty cool and somewhat hazy. The average overnight temperatures in the area are in the low 30s F (single digits C). It tends to rain about a third of the time. With the colder weather comes lower humidity, which is in the 50% to 50% range on average.
What to wear/what to pack:
-
Light gloves or mittens
-
Jacket or coat
-
Warm pants or jeans
-
Extra socks
-
Fleece
-
Lip balm
In our opinion, the best choice: this one
-
Standard footwear
-
Waterproof snow boots
In addition to standard shoes, it's important to bring snow boots. For traveling to Koshigaya, a great option is these boots:
-
Waterproof jacket that can be used in snow
-
A umbrella
This is important here. This one is an excellent choice.
March
March in Koshigaya is brisk, somewhat rainy and somewhat hazy. The rain can amount to several inches/centimeters. During this time, temperatures average in the 50s F (low 10s C), although night temperatures can dip into the low 30s F (single digits C).
What to wear/what to pack:
-
Fleece
-
Lip balm
In our opinion, the best choice: here
-
Light gloves or mittens
-
Warm pants or jeans
-
Jacket or coat
-
Extra socks
-
Standard footwear
-
A rain jacket to layer with a coat
-
100% waterproof footwear
We recommend these rain boots:
-
Rain pants
Rain pants are essential in heavy rain.
-
Waterproof phone bag
-
Windproof umbrella
This one is a great one to buy.
-
Waterproof bag/luggage cover
So your suitcases don't get wet. We recommend:
April
In April, Koshigaya is cool, somewhat rainy and somewhat hazy. Temperatures routinely are in the low 60s F (high 10s C) and sometimes jump into the low 70s F (low 20s C) range. At night, lows are in the 40s F (single digits C). This is also a rainy time for Koshigaya, with several of the days of the month having rain. In April, humidity reaches as high as 60%.
What to wear/what to pack:
-
Extra socks
-
Light jacket or fleece
-
Light and heavy skirts
-
Long sleeve shirts or blouses
-
Dresses
-
Standard footwear
-
Pants or jeans
-
A rain coat to layer with a coat
-
100% waterproof footwear
We like rain boots:
-
Rain pants
These pants can be vital in heavy rain.
-
Waterproof phone bag
-
Windproof umbrella
This one is a perfect choice.
-
Waterproof bag/luggage cover
So your bags don't get wet. We like:
May
In May, Koshigaya is balmy, somewhat rainy and somewhat hazy. Temperatures routinely are in the low 70s F (low 20s C) range. At night, lows are in the 50s F (low 10s C). This is also a rainy time for Koshigaya, with several of the days of the month having rain. In May, humidity reaches as high as 60%.
What to wear/what to pack:
-
Bug repellent
-
Light skirts
-
Short pants or heavy shorts
-
Long and short sleeve shirts
-
Light dresses
You can find some great options here
-
Extra socks
-
Sunscreen lotion
-
Sandals
-
Breathable footwear or sandals
-
A rain coat to layer with a jacket
-
100% waterproof footwear
We like these rain boots:
-
Rain pants
Rain pants will be vital in a storm.
-
Waterproof phone bag
-
Windproof umbrella
This one is a great one to buy.
-
Waterproof bag/luggage cover
So your belongings don't get wet. We suggest:
June
June in Koshigaya is warm and somewhat rainy. The rain can amount to several inches/centimeters. During this time, temperatures average in the high 60s F (low 20s C) to 70s F (mid 20s C).
What to wear/what to pack:
-
Extra socks
-
Light skirts
-
Breathable footwear or sandals
-
Bug repellent
-
Sandals
-
Light dresses
You can find some great options here
-
Long and short sleeve shirts
-
Sunscreen lotion
-
Short pants or heavy shorts
-
A rain jacket to layer with a jacket
-
100% waterproof footwear
We use rain boots:
-
Rain pants
Rain pants are vital in heavy rain.
-
Waterproof phone bag
-
Umbrella
This one is an excellent option.
-
Waterproof bag/luggage cover
So your belongings don't get wet. We suggest:
July
July in Koshigaya is pretty consistently hot and somewhat rainy. The rain can amount to several inches/centimeters. During this time, temperatures average in the 70s F (mid 20s C) to low 80s F (high 20s C).
What to wear/what to pack:
-
Cool and dry dresses
These dresses can provide UV protection and help you stay cool.
-
Sunscreen lotion, moderate SPF
-
Breatheable shirts
A cooling shirt can cool you down quickly and guard against skin damage:
-
Sunglasses
-
Skirts
-
Insulated water bottle
Our pick also cleans harmful contaminants:
-
Loose-fit shorts
-
Waterproof sandals
-
Bug repellent
-
A rain jacket to layer with a jacket
-
100% waterproof footwear
We use these rain boots:
-
Rain pants
These will be essential in a rainstorm.
-
Waterproof phone bag
-
Wind resistant umbrella
This one is a perfect one to buy.
-
Waterproof bag/luggage cover
So your bags stay dry. We suggest:
August
If you are traveling to Koshigaya in August, you will notice that it is extremely hot and somewhat rainy. Expect it to rain about a third of the time. Daytime temperatures are in the 80s F (low 30s C).
What to wear/what to pack:
-
Loose-fit shorts
-
Sunscreen lotion, moderate SPF
-
Breatheable shirts
A cooling shirt can cool you down quickly and guard against the sun:
-
Skirts
-
Waterproof sandals
-
Cool and dry dresses
These dresses can provide UV protection and help you stay cool.
-
Sunglasses
-
Bug repellent
-
Insulated water bottle
Our pick also filters dangerous contaminants:
-
A rain jacket to layer with a coat
-
100% waterproof footwear
We like these rain boots:
-
Rain pants
These can be vital in a rainstorm.
-
Waterproof phone bag
-
Umbrella
This one is a perfect one to buy.
-
Waterproof bag/luggage cover
So your bags don't get wet. We suggest:
September
In September, Koshigaya is warm and somewhat rainy. Temperatures routinely are in the high 70s F (mid 20s C) range. At night, lows are in the 60s F (high 10s C). This is also a rainy time for Koshigaya, with several of the days of the month having rain. In September, humidity reaches as high as 70%.
What to wear/what to pack:
-
Extra socks
-
Sandals
-
Light dresses
You can find some great options here
-
Bug repellent
-
Sunscreen lotion
-
Long and short sleeve shirts
-
Light skirts
-
Short pants or heavy shorts
-
Breathable footwear or sandals
-
A rain poncho to layer with a jacket
-
100% waterproof footwear
We suggest rain boots:
-
Rain pants
These pants are vital in heavy rain.
-
Waterproof phone bag
-
Wind resistant umbrella
This one is a perfect option.
-
Waterproof bag/luggage cover
So your things don't get wet. We recommend:
October
October in Koshigaya is mild, somewhat rainy and somewhat hazy. The rain can amount to several inches/centimeters. During this time, temperatures average in the 60s F (high 10s C).
What to wear/what to pack:
-
Dresses
-
Standard footwear
-
Light jacket or fleece
-
Extra socks
-
Light and heavy skirts
-
Long sleeve shirts or blouses
-
Pants or jeans
-
A rain coat to layer with a jacket
-
100% waterproof footwear
We recommend rain boots:
-
Rain pants
Rain pants will be essential in heavy rain.
-
Waterproof phone bag
-
Wind resistant umbrella
This one is a great one to buy.
-
Waterproof bag/luggage cover
So your belongings remain dry. We suggest:
November
November in this region is relatively cool, somewhat rainy and somewhat hazy. Temperatures average in the high 50s F (mid 10s C) during the day. It rains about a third of the time.
What to wear/what to pack:
-
Light and heavy skirts
-
Standard footwear
-
Light jacket or fleece
-
Long sleeve shirts or blouses
-
Dresses
-
Extra socks
-
Pants or jeans
-
A rain jacket to layer with a jacket
-
100% waterproof footwear
We suggest these rain boots:
-
Rain pants
Rain pants will be essential in a rainstorm.
-
Waterproof phone bag
-
Wind resistant umbrella
This one is an excellent one to buy.
-
Waterproof bag/luggage cover
So your bags don't get wet. We like:
December
Traveling to Koshigaya in December, you will notice that it can be very chilly and very hazy. Expect it to rain a bit less than half of the time. Daytime temperatures are in the low 50s F (low 10s C).
What to wear/what to pack:
-
Light gloves or mittens
-
Fleece
-
Lip balm
In our opinion, the best option: this one
-
Extra socks
-
Jacket or coat
-
Warm pants or jeans
-
Standard footwear
-
Waterproof snow boots
In addition to regular shoes, you should bring snow boots. For visiting Koshigaya, a great option is these boots:
-
Waterproof jacket that can be used in snow
-
A umbrella
This is important here. This one is an excellent choice.
Activities for Koshigaya, Japan
Here are some activity recommendations and activity-specific packing tips for Koshigaya.
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